SpeedFusion Score Explained: Troubleshoot Bad WANs Faster

For as long as people have bonded WAN connections with Peplink routers, the hard question has never been “is it working?” It has been “how well is it working, and which link is the problem?” A speed test tells you throughput at one moment on one connection. It says nothing about the jitter that is wrecking your Zoom calls or the two percent packet loss that only shows up at 5 p.m. SpeedFusion Score, introduced with firmware 8.6.0, is Peplink’s attempt to put a single number on that question and let you drill into the pieces behind it.

This post covers what SpeedFusion Score actually measures, what you need to run it, where it fits in a troubleshooting workflow, and where its limits are. The feature is still in beta as of this writing, so we also flag the things to watch.

What SpeedFusion Score Is

SpeedFusion Score is a network quality analyzer that lives in InControl 2. Peplink describes it as a tool that continuously evaluates the health, resilience and performance of a SpeedFusion bonded network, using metrics such as latency, jitter and packet delivery, and presents the result as one score. The Peplink marketing example shows a dashboard reporting a score of 350 and a rating of “Excellent” alongside a bonded speed of 1 Gbps.

That matters because SpeedFusion itself already works at the packet level. The tunnel is constantly watching per-link latency, delivery order and success rate to decide how to split and reassemble traffic. SpeedFusion Score takes that same telemetry, runs structured tests through the tunnel and across each member WAN, and turns it into something you can read without scrolling through per-tunnel statistics.

Two details are worth stating plainly, because they shape how you should use it:

It scores the tunnel, not the raw internet. The score reflects performance through a SpeedFusion tunnel to a SpeedFusion Connect node or a FusionHub. It is a measure of what your bonded network can deliver, which is what your users experience, but it is not the same as a bare speed test on WAN 1.

It is designed to reward doing more with SpeedFusion. Peplink states outright that you can unlock higher scores by adding WAN connections and enabling additional SpeedFusion features. A single-WAN tunnel with no smoothing will score lower than the same site with a second link and WAN Smoothing turned on. That is intentional, and it is also why the score is more useful as a trend and a comparison than as an absolute grade.

What You Need to Run It

Requirements as of October 2026:

• Firmware 8.6.0 or later on the router. Peplink’s 8.6.0 release page at https://www.peplink.com/technology/firmware-8-6-0/ lists supported hardware across the B One, Balance (Two, 20X, 310 HW5, 310 5G, 310 Fiber 5G, 305 HW2, 310X, 380 HW6, 380X, 580 HW2/3, 580X, 710, 1350, 2500, 5000 EC), BR (BR1 IP55 HW4, BR1 Mini M2M/HW3/5G/Core HW3, BR1 Pro CAT-20 HW7, BR1 Pro 5G, BR2 HW4, BR2 Micro, BR2 Pro HW4), Dome Pro, MediaFast 500/750, MAX Orbit 2/4/8, Transit Duo Pro and Transit Pro E HW2, UBR Plus, and X series (EPX, MBX, MBX Mini, PDX, SDX, SDX Pro). If your model is not on that list, you will not see the feature.
• InControl 2 with the device managed in it. The score is an InControl feature, not a local web admin feature.
• A SpeedFusion endpoint. Either a SpeedFusion Connect subscription or your own FusionHub.
• For PrimeCare devices, an active Care plan with InControl enabled, the same requirement that applies to Bonding, Smoothing and Hot Failover.

One beta caveat that affects cost: when you test against SpeedFusion Connect, the score tests draw from your SFC data quota. Peplink acknowledged this on its community forum on August 5, 2026 (https://forum.peplink.com/t/speedfusion-score-beta/62083), said it will be addressed in firmware 8.6.1, and offered 100 GB of free SFC quota for up to five devices per user to people willing to test the beta. If you run the score against a FusionHub you host, the quota question does not apply, but the test traffic still crosses your WANs, which matters on metered cellular plans.

The 8.6.1 RC1 build also fixed a specific SpeedFusion Score bug (37557) where per-WAN tests could fail when a standby WAN was part of the tunnel. If your tunnel includes a backup link that sits in standby and your per-WAN results are coming back empty, that is likely why, and 8.6.1 is the fix. We covered the rest of that release in our 8.6.1 RC1 post at https://5gstore.com/blog/2026/09/16/peplink-firmware-8-6-1-rc1-whats-new-bug-fixes/.

The Three Metrics Behind the Number

Peplink has not published the exact formula or the thresholds that separate “Excellent” from the lower bands. What it has published is the inputs, and understanding those is what makes the score useful for troubleshooting.

Latency is round-trip time. For real-time traffic, the practical ceiling for comfortable voice is around 150 ms one way. Cellular typically runs 30 to 80 ms, Starlink 25 to 60 ms, and wired broadband 10 to 30 ms. Latency itself rarely kills an application. Latency that is wildly different between bonded links does, because the tunnel has to buffer and reorder.

Jitter is the variation in latency from packet to packet. This is the metric speed tests ignore and the one that matters most for VoIP, video conferencing and remote production. A link with 40 ms latency and 3 ms jitter is excellent. A link with 40 ms latency and 60 ms jitter will produce robotic audio and frozen video even though its “speed” looks fine.

Packet delivery combines loss rate and delivery order. SpeedFusion already measures how many packets arrive, how many arrive out of sequence, and how many are recovered by forward error correction. Loss above about one percent is noticeable on calls. Loss above three to five percent makes them unusable.

A single score that rolls up those three things is a better proxy for user experience than any throughput number. The trade-off is that the roll-up can hide which input is dragging it down, which is why the per-WAN breakdown is the part you will actually spend time in.

Five Ways to Use It to Find a Bad WAN

Here is where the feature earns its place. Each of these is a pattern we see regularly in support, with the way SpeedFusion Score shortens the diagnosis.

1. The site that “feels slow” but passes every speed test

A branch office with cable and 5G bonded reports choppy calls. The IT contact runs a speed test from a laptop and gets 180 Mbps down, so the ISP says there is no problem. SpeedFusion Score tells a different story: the bonded score is mediocre, and the per-WAN view shows the cable link with low latency but spiky jitter and a steady half-percent loss. That signature usually points at a congested DOCSIS segment or a failing coax run, not bandwidth. Now you have something specific to hand the ISP, and in the meantime you can enable WAN Smoothing or set an outbound policy that steers voice onto the cellular link.

2. The cellular link that degrades on a schedule

A MAX BR1 Pro 5G in a construction trailer runs two SIMs on two carriers. Users complain that afternoons are bad. Because the score runs continuously, you can line up the score history against the time of day. If carrier A’s per-WAN score craters from 3 p.m. to 7 p.m. every weekday while carrier B holds steady, you are looking at sector congestion on carrier A, not a hardware fault. The fix is a priority or weight change in the tunnel, or a different antenna aimed at a less loaded tower, and you can verify it the same afternoon by watching the score recover.

3. The high-latency link that is quietly hurting the bond

A remote site bonds Starlink with a geostationary satellite backup. The GEO link is “up” and carrying traffic, but the bonded score is far lower than Starlink alone would suggest. The per-WAN results show 600 ms latency on the GEO path. When latency differs that much between active bonded links, the tunnel’s reordering buffer penalizes everything. Peplink’s own guidance is to use high-latency links for failover rather than as active bonding members. Move the GEO link to a lower priority group so it is standby only, re-run the score, and the number climbs.

4. Validating a change before anyone complains

Any time you swap a SIM, change an antenna, move a router, or upgrade firmware, take a score before and after. It turns “I think it is better” into a number. This is especially useful for SpeedFusion Boost, the companion feature that also arrived in 8.6.0. Boost is designed to keep one unstable link from dragging down the whole bond, which is exactly the condition the score surfaces. Running the score with Boost off and then on gives you a defensible answer on whether it helps for your WAN mix. We walked through Boost in detail when it landed in RC3 at https://5gstore.com/blog/2026/06/19/peplink-firmware-8-6-0-rc3/.

5. Separating the WAN from the endpoint

Sometimes the problem is not any of your WANs. If every per-WAN result looks healthy but the bonded score is still low, suspect the far end: an overloaded FusionHub instance, a SpeedFusion Connect node that is geographically far from the site, or a tunnel configured with encryption on a CPU-bound router. Switching the SFC location or moving the FusionHub closer and re-running the score isolates it quickly.

The Honest Counterpoint

SpeedFusion Score is useful, and we are recommending it. It is also a beta feature with real limitations that Peplink has been candid about, and you should know them going in.

The scoring model is a black box. Peplink has not published how latency, jitter and delivery are weighted or what number earns which rating. Two sites with the same score may have very different problems. Treat the number as a trend line and a pointer to the per-WAN detail, not as a certification.

It costs data. Until 8.6.1 ships, tests against SpeedFusion Connect consume SFC quota. Even after that fix, the test traffic still crosses your WANs. On a capped cellular plan, a continuous quality test is a cost you should budget for or schedule.

It measures the tunnel, so it is tied to Peplink’s ecosystem. It needs InControl, a care plan on PrimeCare devices, and an SFC or FusionHub endpoint. If you run Peplink routers without SpeedFusion, or you manage them locally without InControl, the feature does not exist for you. For raw per-WAN diagnostics you still have the WAN quality analysis in the router’s status pages, and those work without any of the above.

The score is partly a feature sales pitch. Because adding WANs and enabling SpeedFusion features raises the score, a low score can mean “your network is unhealthy” or it can mean “you have not bought into enough of the stack.” Both are true statements, but only one of them is a fault you need to fix.

It is still in beta. Peplink has said it is optimizing for accuracy and data efficiency. Expect the numbers to shift between firmware releases, which is one more reason to compare a site against itself over time rather than against a number you saw in a screenshot.

None of that makes the tool less valuable for its core job. When someone tells you the internet is bad, you now have a way to answer “which link, which metric, and since when” in a couple of clicks instead of a couple of hours.

How This Fits With Other Vendors

Peplink is the only one of the major cellular router brands with a bonded-tunnel quality score built into its cloud platform, but it is not the only vendor measuring link quality. Cradlepoint’s NetCloud reports per-WAN signal and latency metrics, Teltonika’s RMS exposes signal quality and connection history, Digi Remote Manager tracks cellular health, and Inseego, Semtech (Sierra Wireless) and Katalyst each provide signal and uptime reporting in their management tools. The difference is that those platforms score individual links. SpeedFusion Score grades the combined result after bonding, smoothing and failover have done their work, which is the number your users actually feel.

You can browse the full lineup for each brand here: Peplink at https://5gstore.com/landing/m/peplink/, Cradlepoint at https://5gstore.com/landing/m/cradlepoint/, Teltonika at https://5gstore.com/landing/m/teltonika/, Semtech at https://5gstore.com/landing/m/sierra_wireless/, Inseego at https://5gstore.com/landing/m/inseego/, Digi at https://5gstore.com/landing/m/digi/, and Katalyst at https://5gstore.com/landing/m/katalyst/.

5Gstore Take

If you already run SpeedFusion with InControl, turn SpeedFusion Score on now. Take a baseline at each site, note the per-WAN results, and then leave it running. The first time a user says “the internet is bad,” open InControl before you open a ticket. Nine times out of ten the per-WAN view will tell you whether it is a congested carrier, a bad cable, a mismatched latency link, or nothing on your side at all.

If you are on metered cellular, apply for Peplink’s free 100 GB SFC beta quota while it is available, and plan to upgrade to 8.6.1 once it goes stable so the test traffic stops counting against your plan.

If you are not sure your routers support it, or you want help reading what the score is telling you about a specific site, contact us at https://5gstore.com/site/contact_us. We have been troubleshooting bonded WANs since before there was a score for it.

FAQ

What is SpeedFusion Score?
A network quality analyzer in Peplink InControl 2 that continuously tests a SpeedFusion bonded network on latency, jitter and packet delivery, and reports a single score with per-WAN detail. It was introduced with firmware 8.6.0.

Which Peplink routers support SpeedFusion Score?
Supported models on firmware 8.6.0 include the B One series, most current Balance models, BR1 and BR2 Pro and Mini variants, Dome Pro, MAX Orbit 2/4/8, Transit Duo Pro and Pro E, UBR Plus, and the EPX, MBX, PDX and SDX families. Check Peplink’s 8.6.0 firmware page for the exact hardware revisions.

Does SpeedFusion Score use my SpeedFusion Connect data?
Yes, during the beta. Peplink has said firmware 8.6.1 will stop score tests from counting against SFC quota, and is offering 100 GB of free quota per device (up to five devices) to beta testers in the meantime.

Is a high score the same as a fast connection?
No. The score weights latency, jitter and packet delivery, which track user experience for calls and video. A link can be fast and still score poorly if it is jittery or dropping packets.

Can I use SpeedFusion Score without InControl?
No. It is an InControl 2 feature. Local-only deployments still have per-WAN quality statistics in the router’s status pages but not the composite score.

Does enabling SpeedFusion Boost raise the score?
Peplink says enabling additional SpeedFusion features can raise the score, and Boost specifically targets the unstable-link conditions the score detects. Test with Boost off and on at your site to confirm.